5. etapp: Loogilise andmemudeli tuletamine
Kompetentsi Andmete modelleerimine knobit · K-561 · Teadmine
Explains domain-key normal form
Mida see tähendab
Every constraint follows from keys and domains.
Kuidas seda hinnatakse
Classifies sample constraints as implied by keys and domains or not, and says how each other one is enforced
Tugineb
- Explains candidate key and prime attributeK-552 · Teadmine
- Explains attribute domainsK-562 · Teadmine